.NET Questions and Solutions

Symptoms
You modify the Microsoft Office Outlook Web Access user interface by following the steps in the “Specifying Icons for Custom Content Items” section of the following Microsoft Web site:
http://msdn2.microsoft.com/en-us/library/bb891875(EXCHG.80).aspx(http://msdn2.microsoft.com/en-us/library/bb891875(EXCHG.80).aspx)When you use Outlook Web Access to browse to a Microsoft Exchange Server 2007 mailbox, an exception that blocks the regular operation occurs. Additionally, the following events are logged in the Application event log:
Event Type: Error
Event Source: MSExchange Common
Event Category: General
Event ID: 4999
Description:
Watson report about to be sent to dw20.exe for process id: <process ID>, with parameters: E12IIS, <processor>, <version>, OWA, M.E.C.Owa, M.E.C.O.C.ThemeManager.RenderThemeFilePath, System.IndexOutOfRangeException, <address>, <version>. ErrorReportingEnabled: True
Event Type: Error
Event Source: Microsoft Exchange Server
Event Category: None
Event ID: 5000
Description:
EventType e12iis, P1 <processor>, P2 <version>, P3 owa, P4 m.e.c.owa, P5 m.e.c.o.c.thememanager.renderthemefilepath, P6 system.indexoutofrangeexception, P7 <address>, P8 <version>, P9 NIL, P10 NIL.
Resolution
To resolve this problem, install Update Rollup 2 for Exchange Server 2007 Service Pack 1. For more information about Update Rollup 2 for Exchange Server 2007 Service Pack 1, see the following Exchange Help topic:
Description of Update Rollup 2 for Exchange Server 2007 Service Pack 1 (http://go.microsoft.com/fwlink/?LinkId=152558)For more information about how to obtain the latest Exchange service pack or update rollup, see the following Exchange Help topic:
How to Obtain the Latest Service Pack or Update Rollup for Exchange 2007(http://go.microsoft.com/fwlink/?LinkId=152570)

Symptoms
When you run the Set-AttachmentfilterListConfig command together with the -ExceptionConnectors option on an Exchange Server 2007-based server, the command doesnot run successfully. Additionally, an exception is generated.
For example, you may run the following command:
Set-AttachmentfilterListConfig -ExceptionConnectors d18f518a-38e3-4349-9697-bc2ac318461f When you run this command, you receive the following error message:

WARNING: An unexpected error has occurred and debug information is being generated: Unable to cast object of type ‘System.Collections.Generic.List`1[Microsoft.Exchange.Data.Directory.SystemConfiguration.ReceiveConnector]‘ to type ‘Microsoft.Exchange.Data.Directory.SystemConfiguration.ReceiveConnector[]‘. Set-AttachmentfilterListConfig : Unable to cast object of type ‘System.Collections.Generic.List`1[Microsoft.Exchange.Data.Directory.SystemConfiguration.ReceiveConnector]‘ to type ‘Microsoft.Exchange.Data.Directory.SystemConfiguration.ReceiveConnector[]‘. At line:1 char:31 + Set-AttachmentfilterListConfig? <<<< -ExceptionConnectors d18f518a-38e3-4349-9697-bc2ac318461f Additionally, the follow event is logged in the Application log:
Event Type:?Error
Event Source:?MSExchange Common
Event Category:?General
Event ID:?4999
User:??N/A
Computer:?Servername
Description: Watson report about to be sent to dw20.exe for process id: <ID>, with parameters: E12, c-RTL-x86, <version>, powershell, M.E.Management, M.E.M.M.A.SetAttachmentFilterListConfig.InternalProcessRecord, System.InvalidCastException, 4e90, <version>.? ErrorReportingEnabled: False For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.
Resolution
To resolve this problem, install Update Rollup 2 for Exchange Server 2007 Service Pack 1. For more information about Update Rollup 2 for Exchange Server 2007 Service Pack 1, see the following Exchange Help topic:
Description of Update Rollup 2 for Exchange Server 2007 Service Pack 1 (http://go.microsoft.com/fwlink/?LinkId=152558)For more information about how to install the latest Exchange service pack or update rollup, see the following Exchange Help topic:
How to Obtain the Latest Service Pack or Update Rollup for Exchange 2007(http://go.microsoft.com/fwlink/?LinkId=152570)